Finding the Fourth Proportional to 3,815.88, 5,265.78 and 2,222.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.88 : 5,265.78 = 2,222.82 : x
2. Step 2: Convert to fraction form
   3,815.88/5,265.78 = 2,222.82/x
3. Step 3: Cross multiply
   3,815.88x = 5,265.78 × 2,222.82
4. Step 4: Simplify right side
   3,815.88x = 11,704,881.10
5. Step 5: Solve for x
   x = 11,704,881.10/3,815.88
6. Step 6: Final answer
   x = 3,067.41